Home / 5,689.84-8,528.98-2,178.95

Finding the Fourth Proportional to 5,689.84, 8,528.98 and 2,178.95

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Solution

The fourth proportional to 5,689.84, 8,528.98 and 2,178.95 is: 3,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.84 : 8,528.98 = 2,178.95 : x
  2. Step 2: Convert to fraction form
    5,689.84/8,528.98 = 2,178.95/x
  3. Step 3: Cross multiply
    5,689.84x = 8,528.98 × 2,178.95
  4. Step 4: Simplify right side
    5,689.84x = 18,584,220.97
  5. Step 5: Solve for x
    x = 18,584,220.97/5,689.84
  6. Step 6: Final answer
    x = 3,266.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.